The eight stages of the strange situation
1. Parent and infant are introduced to the experimental room
2. Parent and infant are left alone and the parent doesn't participate whilst the infant explores
3. The stranger enters and converses with the parent, then the mother leaves the room discreetly
4. First separated- the stranger tries interacting with the infant
5. First reunion- stranger leaves and the parent enters and greets the infant, before leaving the room again
6. Second separation- the infant is left alone in the room
7. Continuation of second separation- the stranger enters the room and tries to interact with the infant
8. Second reunion- the parent enters, greets and picks up the infant whilst the stranger leaves the room